Microwave oven



FIG. 1 is a right, front perspective view of a microwave oven showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a front perspective view of a second embodiment thereof;

FIG. 7 is a front elevational view of FIG. 6;

FIG. 8 is a left side elevational view of FIG. 6;

FIG. 9 is a right side elevational view of FIG. 6;

FIG. 10 is a top plan view of FIG. 6;

FIG. 11 is a front perspective view of a third embodiment thereof;

FIG. 12 is a front elevational view of FIG. 11;

FIG. 13 is a left side elevational view of FIG. 11;

FIG. 14 is a right side elevational view of FIG. 11;

FIG. 15 is a top plan view of FIG. 11;

FIG. 16 is a front perspective view of a fourth embodiment thereof;

FIG. 17 is a front elevational view of FIG. 16;

FIG. 18 is a left side elevational view of FIG. 16;

FIG. 19 is a right side elevational view of FIG. 16; and,

FIG. 20 is a top plan view of FIG. 16.

The details shown in broken lines in FIGS. 6-20 are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a microwave oven, as shown and described. 